Crystal Chatman-Brown, APRN
NPI 1851309710 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Chatman-Brown, APRN is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1851309710).
Provider details
- NPI number
- 1851309710
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 834528 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
535 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $104 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 96 | $105 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 76 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 333 | 103 |
| Amlodipine Besylate | 244 | 75 |
| Lisinopril | 239 | 72 |
| Levothyroxine Sodium | 232 | 70 |
| Rosuvastatin Calcium | 226 | 69 |
| Losartan Potassium | 176 | 55 |
| Levocetirizine Dihydrochloride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$553 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2021-12-04
- Certified
- 2021-12-04
Frequently asked questions
- What is Crystal Chatman-Brown's NPI number?
- Crystal Chatman-Brown's National Provider Identifier (NPI) is 1851309710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Chatman-Brown's specialty?
- Crystal Chatman-Brown is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Chatman-Brown located?
- Crystal Chatman-Brown's practice location on file with NPPES is 18414 US Highway 281 N Ste 104, San Antonio, TX 78259-7611.
- What is Crystal Chatman-Brown's phone number?
- The practice phone number listed in the NPPES registry for Crystal Chatman-Brown is (210) 495-0222.
- Does Crystal Chatman-Brown accept Medicare?
- Crystal Chatman-Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Chatman-Brown's NPI active?
- Yes — Crystal Chatman-Brown's NPI (1851309710) is active in the NPPES registry as of the last update on 2021-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.